integrated electronic health record (ehr)  (EPIC Systems Corporation)

Journal: Kidney Medicine

Article Title: Metabolic Acidosis and Cardiovascular Disease in CKD

doi: 10.1016/j.xkme.2021.04.011

Figure Lengend Snippet: Study cohort selection diagram. MACE+ analysis group and cardiovascular death analysis group: n = 51,558; complete data, n = 36,917. Incident HF analysis group: n = 41,529, with 10,029 excluded; complete data, n = 28,817. Stroke analysis group: n = 47,103, with 4,455 excluded; complete data, n = 33,325. MI analysis group: n = 48,789, with 2,769 excluded; complete data, n = 34,573. Abbreviations: AKI, acute kidney injury; BL, baseline; CKD, chronic kidney disease; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; CV, cardiovascular; eGFR, estimated glomerular filtration rate; EHR, electronic health record; HF, heart failure; MACE+, major adverse cardiovascular event, defined as any MI, any stroke, incident HF (a new HF diagnosis in a patient without HF at baseline), or HF admission (an inpatient admission with a concurrent diagnosis of HF in a patient with comorbid HF at baseline), or cardiovascular death (death within the same or next calendar month as discharge from an inpatient hospital stay involving a diagnosis code for HF, stroke, or MI); MI, myocardial infarction.

Article Snippet: Data from January 1, 2007, to March 31, 2017, was extracted from the Optum EHR+Integrated Electronic Health Record (EHR) dataset, which is deidentified in compliance with the Health Insurance Portability and Accountability Act (HIPAA).

Techniques: Selection, Filtration, Biomarker Discovery

Journal: BMC Nephrology

Article Title: Metabolic acidosis is associated with increased risk of adverse kidney outcomes and mortality in patients with non-dialysis dependent chronic kidney disease: an observational cohort study

doi: 10.1186/s12882-021-02385-z

Figure Lengend Snippet: Patient selection flow diagram. Investigators had full access to the database extract but no direct access to the Optum database. Abbreviations: AKI, Acute Kidney Injury; CKD, chronic kidney disease; CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; eGFR, estimated glomerular filtration rate; EHR, Electronic Health Records

Article Snippet: Data from 1 to 2007 through 31 March 2017 was extracted from the Optum’s de-identified Integrated Electronic Health Record (EHR) Database; all data are de-identified in compliance with the Health Insurance Portability and Accountability Act (HIPAA), so consent was not required.

Techniques: Selection, Filtration